86632705 has 4 divisors (see below), whose sum is σ = 103959252. Its totient is φ = 69306160.

The previous prime is 86632681. The next prime is 86632717. The reversal of 86632705 is 50723668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43125489 + 43507216 = 6567^2 + 6596^2 .

It is not a de Polignac number, because 86632705 - 2⁵ = 86632673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8663266 + ... + 8663275.

It is an arithmetic number, because the mean of its divisors is an integer number (25989813).

Almost surely, 2^86632705 is an apocalyptic number.

It is an amenable number.

86632705 is a deficient number, since it is larger than the sum of its proper divisors (17326547).

86632705 is a wasteful number, since it uses less digits than its factorization.

86632705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17326546.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 86632705 is about 9307.6691496851. The cubic root of 86632705 is about 442.4803187433.

The spelling of 86632705 in words is "eighty-six million, six hundred thirty-two thousand, seven hundred five".